123457905

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39761}}^1$

素因数の和:39798

約数の個数: 32

約数和(自身を含む): 229029120

約数和(自身を除く): 105571215

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 39761, 119283, 198805, 357849, 596415, 914503, 1073547, 1789245, 2743509, 4572515, 5367735, 8230527, 13717545, 24691581, 41152635, 123457905]

約数ペア:

[(1, 123457905), (3, 41152635), (5, 24691581), (9, 13717545), (15, 8230527), (23, 5367735), (27, 4572515), (45, 2743509), (69, 1789245), (115, 1073547), (135, 914503), (207, 596415), (345, 357849), (621, 198805), (1035, 119283), (3105, 39761)]